RockBox is a project dedicated to constructing custom kernels for MP3 players. Because Zune is officially released tomorrow they couldn't resist posting some chipset information about the Zune!

Here is the list. Of course we don't have the resources to confirm if this is valid, but we take their word for it.

• Main CPU Freescale MCIMX3 Arm 11:

http://www.freescale.com/webapp/sps/site/prod_summary.jsp?code=i.MX31&nodeId=01J4Fs2973ZrDR

http://www.freescale.com/files/32bit/doc/data_sheet/MCIMX31.pdf

• PC To Video Chip Focus  FS456 :

http://www.focussemi.com/products/fs455.html

• Audio Chip Wolfram WM8978:

http://www.wolfsonmicro.com/products/WM8978/

http://www.wolfsonmicro.com/uploads/documents/WM8978.pdf

• Power Managment Freescale MC13783:

http://www.freescale.com/webapp/sps/site/prod_summary.jsp?code=MC13783&nodeId=01J4Fs4881

http://www.freescale.com/files/wireless_comm/doc/fact_sheet/MC13783PMFS.pdf

• USB-OTG Philips  ISP1504A:

http://www.nxp.com/pip/ISP1504ABS.html

http://www.nxp.com/acrobat_download/datasheets/ISP1504A_ISP1504C_1.pdf

• Flash  Samsung K4M51323PC:

http://www.samsung.com/products/semiconductor/MobileSDRAM/MobileSDRSDRAM/512Mbit/K4M51323PC/K4M51323PC.htm

• Wi-Fi KeyStream Corporation KS3021:

http://techon.nikkeibp.co.jp/english/NEWS_EN/20060829/120563/

http://www.keystream.co.jp/news/20060206.php. Google translation here.

 Visit the RockBox forum here.